Sequoia / Tahoe Series User Manual          California Instruments 
 
M447352-01 REV-A                                        39 
 
Figure 3-1: The Sequoia/Tahoe Power Source  
 
CAUTION!
Do not connect 400V or 480V into a unit set for 208V or 230V unit, the result could be a 
severely damaged unit. Always check the input rating on the model number tag before 
connecting AC input power. Consult factory if input settings must be changed.